Found in 7 comments
jeffrey_t_b · 2018-07-06 · Original thread
Having children has always been a choice, e.g. historical birthrates are closely coupled to harvest success. So people are choosing to have fewer children now, and most of that has to do with opportunity costs.

Caplan's "Selfish Reasons to Have More Kids" (https://www.amazon.com/Selfish-Reasons-Have-More-Kids/dp/046...) has some data showing that parents are putting more and more time into children. (And his argument is that it is mostly unnecessary, i.e. it doesn't correspond to improved outcomes for children, given a relatively normal stable family.) I wonder how much of this is just changed social expectations (e.g. call Police / Child Services if you see a kid walking home along from school), how much is social signaling, how much is reduced family support.

jseliger · 2017-12-14 · Original thread
Bryan Caplan wrote an interesting book, Selfish Reasons to Have More Kids, that is also germane to this topic (https://www.amazon.com/Selfish-Reasons-Have-More-Kids/dp/046...).
jseliger · 2016-08-21 · Original thread
1. Yes. You don't know if your kid will be the one who solves or ameliorates climate change.

2. Human life is its own good.

3. Bryan Caplan discusses this and many other interesting topics in Selfish Reasons to Have More Kids: Why Being a Great Parent is Less Work and More Fun Than You Think https://www.amazon.com/Selfish-Reasons-Have-More-Kids/dp/046....

jseliger · 2014-12-06 · Original thread
This could be effectively read in tandem with Bryan Caplan's book Selfish Reasons to Have More Kids: http://www.amazon.com/Selfish-Reasons-Have-More-Kids/dp/0465...
acheron · 2013-09-10 · Original thread
They've figured that out too. Behold, economist Bryan Caplan's book "Selfish Reasons to Have More Kids": http://www.amazon.com/Selfish-Reasons-Have-More-Kids/dp/0465...
Sources? Two can play the polling/statistic/studies/arguments game about children: http://www.amazon.com/Selfish-Reasons-Have-More-Kids/dp/0465...
yummyfajitas · 2011-11-28 · Original thread
I didn't mean to propose an exact multiplicative relationship. I merely used it to illustrate how the two claims

a) innate talent exists and is important

b) practice is also important

are not incompatible.

As for correlation between IQ and various professions, not to mention wages, there is plenty of statistically significant data on this. See for example [1], which shows excellent correlations between AFQT (the US Army's IQ-like test) scores and post-military wage (not to mention many specific objectively graded tasks within the armed forces).

(Note that IQ test-retest scores tend to be highly correlated - it's rare that a child scoring 1 stdev below the mean will later score 1 stdev above the mean.)

In the particular case of math proofs (which I think you're referring to) you have the additional issue that (I think - I'm not a mathematician) proofs often require intuitive leaps...Teaching intuition/pattern-matching is of course really hard.

True. But nevertheless, some students pick it up immediately while others never do. The question arises, why?

Also, as for what is "well accepted", there are lots of things in the field of education that are well accepted but false. For example, people widely believe that test prep significantly improves SAT scores [2]. They also believe school quality (rather than % of Asian students) explains many of the differences in test outcomes between US schools and Asian schools [3]. See also Bryan Caplan's book [4] which shows lots of evidence that most of what is done to children before age 18 has little effect on adult outcomes.

So if you have evidence that public schools and private schools significantly affect outcomes, go ahead and post it. But most of the evidence I've seen suggests school quality is dwarfed by non-school factors. People just ignore the evidence because they don't like the conclusion.

[1] Handbook of the economics of education, by Hanushek and Welch

[2] Studies funded by parties other than Kaplan tend to disagree. http://online.wsj.com/article/SB124278685697537839.html

[3] http://en.wikipedia.org/wiki/Trends_in_International_Mathema...

[4] http://www.amazon.com/Selfish-Reasons-Have-More-Kids/dp/0465...

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